US5206438AExpiredUtility
Aromatic diamine compounds, bismaleimide compounds, thermosetting resin forming compositions therefrom, resins therefrom, and methods for their preparation
Est. expiryOct 24, 2009(expired)· nominal 20-yr term from priority
Inventors:Keizaburo YamaguchiTatsuhiro UrakamiYoshimitsu TanabeMidori YamazakiShoji TamaiNorimasa YamayaMasahiro OhtaAkihiro Yamaguchi
C07C 217/90C07C 205/38C08G 73/124C07D 207/452
60
PatentIndex Score
4
Cited by
9
References
1
Claims
Abstract
Disclosed is an aromatic diamine compound represented by the formula (I) ##STR1## wherein R is H or CH 3 . Also disclosed is a bismaleimide compound represented by the formula (IV) ##STR2## wherein R is H or CH 3 , A resin forming composition comprising these compounds is also disclosed. The compounds are useful as raw materials for resins, and the resin forming composition and the resin can provide excellent heat resistance and impact resistance and low hygroscopicity.
Claims
exact text as granted — not AI-modifiedWhat is claimed is:
1. 1,3-bis(4-(4-aminophenoxy)-α,α-dimethylbenzyl)benzene represented by the following formula: ##STR9##Join the waitlist — get patent alerts
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